AC Milan, along with Boca Juniors, have won 18 officially recognized international titles, the most by any club in the world. The club have won what is today known as the UEFA Champions League on seven occasions; only Real Madrid have won it more times (9). As far as Italian competitions are concerned, AC Milan is the second most successful club with 17 league titles; only Juventus have won more (27). AC Milan have won Intercontinental Cup/Club World Cup four times, more than any other team in the world.

Other important titles which Milan have won includes the European Super Cup five times, the Cup Winners' Cup twice, however they have never reached the UEFA Cup final (only two semi-finals). In Italy, the Coppa Italia five times as well as five Italian Super Cups. AC Milan is also one of the G-14’s founding members, a group that represented eighteen of the largest and most prestigious European football clubs before its disbandment.

Their home games are played at San Siro, also known as the Stadio Giuseppe Meazza. The ground, which is shared with rivals Internazionale, is the largest in Italian football, with total capacity of 82,955.